Apps that matter for living in Singapore

Short answer: Install for jobs, not vibes. Singpass first, then ScamShield, one bank app, and something for transit. Register PayNow against your FIN rather than a mobile number where your bank offers both. For air quality, trust haze.gov.sg and myENV rather than a random AQI widget. Everything else can wait until week two.

Singpass goes first for an unglamorous reason. It's the one app that repeatedly blocks bank, telco, and government onboarding when you don't have it working, so every day you delay it is a day something else can't start. The rest of this list is genuinely optional until week two.

The week-one stack

The Singpass bits that catch foreigners out

SMS 2FA wants a Singapore number, so set the app up properly before you travel anywhere with only a foreign SIM in your phone. Face verification is what rescues you when the SMS doesn't arrive overseas, which is exactly the moment you can't easily fix it.

Take recovery codes and device hygiene seriously, because a lockout in the middle of a renewal is a miserable week. And treat any unexpected Singpass "verify device" prompt, or a bank conversation that somehow began on WhatsApp, as a scam until you've proved otherwise inside the official app.

PayNow and the FIN chicken-and-egg

Every "how do foreigners use PayNow?" thread lands on the same answer: you need a Singapore bank or eligible MPI account first. There's no version where a tourist with no local banking peer-to-peers money into someone's personal mobile proxy.

Once the account exists, update your FIN and your Singapore mobile number in the bank's records, then register your PayNow proxies: mobile, and NRIC/FIN where your bank supports FIN. Verify the recipient's name before every transfer. It's a two-second habit that's much cheaper than the alternative.

Banks differ here. Some support FIN registration, and DBS and POSB document the FIN path; others will push you towards a mobile-number proxy only. ABS summarises the network on the PayNow page. Until PayNow is actually working, carry a card and some cash for hawkers and small vendors, and see opening a bank account for the sequencing. If you do send to the wrong proxy, call the bank. Don't try to negotiate a refund with a stranger: wrong PayNow recovery.

Then delete things

Food delivery, hawker discovery, and lifestyle apps are curiosity tools rather than infrastructure. If an app's notifications cost you more attention than the app saves you, take it off the phone after week two. Notification debt is a real cost of living and it compounds quietly.

One seasonal exception: keep NEA haze guidance bookmarked, and read haze preparedness before the first bad week rather than during it.